baber/WOPTO huggingface dataset:
Patent JP-2003214972-A (JP)
Title: Gastightness tester for circular cylinder weld zone and gastightness testing method
Inventor: KONNO CHOJI
IPC: B23K31/00
Filed: 2002-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gastightness tester and testing method for a weld zone in a circular cylinder, capable of forming a sealed state easily.  <P>SOLUTION: In the gastightness tester for a weld zone in a circular cylinder, a flange 3 is attached, so it may be shaped H in cross section, to the circumference of a belt-type ring 1 arranged on the left and right sides with a specified gap in between them, an O-ring 4 is inserted into the H-shape flange 3, and the ring 1 is provided with a pressurized air inlet 7. The pressurized air inlet 7 is formed as integrated with another belt-shape ring 2 in the flange 3 at a location inside the belt-shape ring 1. A required number of fixing elements 8 are caused to abut at the inner circumference of the flange 3 as prescribed, a substrate 9 is provided to axially supports the ends of the fixing elements 8 protruding through the flange 3, with the protrusions fixed onto the substrate 9 for rotation. For testing, the tester is fixed by the fixing elements 8 to the inside wall of a circular cylinder 13, a prescribed pressure is applied to the O ring 4 for fixation to the inner wall of the circular cylinder 13, which establishes a hermetic sealing for the weld zone, and then a prescribed pressure is applied to the weld zone.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003217556-A (JP)
Title: Battery pack
Inventor: KUNIMOTO KIYOSHI
IPC: H01M50/528
Filed: 2002-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To couple batteries firmly and surely by simply and easily connecting them electrically in a low-resistance state.  <P>SOLUTION: The battery pack couples a plurality of batteries 10 linearly with a connecting body 20, equipped with an inner periphery part 23 to be welded to one battery 10 and an outer periphery part 24 located outside the inner periphery part 23 to be welded to the other battery 10. A step exists between the inner periphery part 23 and the outer periphery 24 and arranges the former 23 in a recessed part of the connecting body 20. The inner periphery part 23 of the connecting part 20 is located inside a calking convex string 16 fitted at an end face of one battery 10 and is connected by welding to the battery end face without coming in touch with the calking convex string. The outer periphery part 24 of the connecting body 20 is connected by welding to an outer periphery part of the end face of the other battery 10.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003211075-A (JP)
Title: Coating method
Inventor: SUZUKI TOSHIO
IPC: B05D3/12
Filed: 2002-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coating method by which a smooth fine coating film is formed on a material to be coated.  <P>SOLUTION: This coating method is performed by charging the material 1 to be coated in a vacuum chamber 3, reducing the pressure in the vacuum chamber 3 to be in a vacuum state, spraying a liquid coating material in the vacuum chamber 3 in a fine particulate state and rotating the material 1 to be coated in the vacuum chamber 3 in this state to form the coating film on the surface of the material 1 to be coated. The coating material is sprayed in the vacuum chamber 3 in a heated state.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003224998-A (JP)
Title: Drive method for stepping motor
Inventor: TANAKA FUJIN
IPC: H02P8/32
Filed: 2002-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To satisfy requirements from bodies to be controlled, such as iris opening/closing mechanism and a lens drive mechanism that are required to concurrently satisfy requirements of high-accuracy positional control and high- speed drive that are contrary to each other, as a using method for a stepping motor.  <P>SOLUTION: The stepping motor comprises a shaft to which a rotor magnetized to a plurality of phases is attached; a first excitation mechanism composed of a first winding that rotatively drives the rotor by giving a field thereto and a plurality of first poles; and a second excitation mechanism composed of a second winding that rotatively drives the rotor by giving a field thereto a prescribed differential phase different from the first excitation mechanism and a plurality of second poles. A plurality of drive methods, in which drives are conducted by a micro-step drive method and a two-phase excitation drive method, are employed concurrently.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003220312-A (JP)
Title: Trap
Inventor: ASAI TOSHIYUKI
IPC: B01D45/12
Filed: 2002-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a trap capable of surely removing the portion to be removed of a liquid material or the like.  <P>SOLUTION: The trap 13 is arranged with a screw-shaped baffle plate 20 in the inside of a trap main body 14 making gas flow down so as to provide a swirl force to the gas, the baffle plate 20 is installed with a falling hole 21 for making the removed portion of the gas separated by the swirl force fall downward by gravity. Thus, since the centrifugal force is given to the removed portion by the swirl force of the gas, the removed portion is separated and is surely eliminated.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003228906-A (JP)
Title: Recording device and reproducing device and contents
Inventor: YANO SHIYUUMEI
IPC: G11B7/09
Filed: 2002-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a contents recording device and a contents reproducing device which can prevent signal deterioration due to irradiation with a laser beam.  <P>SOLUTION: A disk device 12 includes a CPU 30, which decides whether there is a signal to be recorded in a buffer memory 32 or a signal to be reproduced once receiving a write command or a read command. When there is not signal to be recorded or no signal to be reproduced, the CPU 30 decides a state wherein an optical pickup 16 is not writing a signal to a disk 20 and a state wherein no signal is read out of the disk and sends a save instruction for the optical pickup 16 to a DSP 28. The optical pickup 16 is therefore saved from a data area to a test area of the disk 20 under the control of the DSP 28.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003224947-A (JP)
Title: Commutator rotating machine
Inventor: TARUYA TAKAO
IPC: H02K5/14
Filed: 2002-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a commutator motor capable of improving the resistance of a brush sleeve in the vertical axial direction and the brush oscillating direction, improving the holding ability of the brush, and attaining size and weight reductions.  <P>SOLUTION: When the brush sleeve 8, in which cut-rising piece 15 or a bent piece 16 is formed on an axial side surface of the brush sleeve 8 of a bracket around a brush sleeve holding part, is inserted in a brush through-hole and disposed at a prescribed position of a bracket taper part 61, the bent piece 16 is positioned so as to be stopped at both surfaces of the bracket protruding part 12 and a linear extension rib 17. When the brush sleeve 8 is inserted in the through-hole and the bent piece 16 reaches the position of the bracket protruding part 12, movement of the brush sleeve 8 in the vertical direction can be restrained, because constant pressure is supplied by a spring 9. Movement of the brush sleeve 8 in a direction of back and forth can be restrained by the bracket protruding part 12 and the linear extension rib 17.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003228874-A (JP)
Title: Optical pickup device and optical disk device
Inventor: TANIOKA CHIKARA
IPC: G02B5/18
Filed: 2002-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical pickup realizing an increase in light quantity reaching a photodetector while ensuring the light quantity used for read and write in an optical recording medium and an optical disk device.  <P>SOLUTION: A diffraction optical element 17 having a first diffraction grating-free region and a second diffraction grating-formed region is arranged on an optical path reaching an object lens 15 from a light source 11. A light beam at a place corresponding to the first region is not diffracted, resulting in preventing a decrease in the light quantity of the light beam reaching the optical recording medium 18. The light beam at a place corresponding to the second region is diffracted for convergence on the photodetector 16. Thus, the photodetector 16 receives light having higher power compared with a conventional optical system in which part of diffused light is made incident on the photodetector 16.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003221806-A (JP)
Title: Tamper controller for asphalt finisher
Inventor: ISHII NOBUYUKI
IPC: E01C19/48
Filed: 2002-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the damage of a tamper motor at a cold time by inhibiting the driving of a tamper device until a screed device is overheated sufficiently.  <P>SOLUTION: A screed heating switch 27 turning the driving of a screed heating apparatus 26 on-off and a timer relay 28 operated in the case of the on of the switch 27 are installed in series with one circuit 25. A tamper driving switch 30 turning the driving of the tamper device on-off and a solenoid 21 for an electromagnetic control valve for driving the tamper motor are mounted in series with the other circuit 29, and a contact 31 for the timer relay 28 is interposed between the solenoid 21 and the tamper driving switch 30. The timer relay 28 is formed so that the contact 31 is turned on after a preset time passes.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003222432-A (JP)
Title: Regenerator for absorption water heater-chiller
Inventor: INOUE OSAYUKI
IPC: F25B33/00
Filed: 2002-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a regenerator for an absorption water heater-chiller applicable to a constitution without any liquid wall and capable of reducing the retaining quality of absorptive solution in a simple constitution.  <P>SOLUTION: This regenerator for the absorption water heater-chiller which is provided with an upper part tube plate 4, a lower part tube plate 5, and a group of vertical heat transfer pipes 2 and allows gas fluid 11 to become a heat source to pass through outside the vertical heat transfer pipes, is provided with the group of the vertical heat transfer pipes 2 and a plurality of downtakes 3 between the upper part tube plate 4 and the lower part tube plate 5. The downtake 3 has a liquid side constituted of steel and a gas fluid side constituted of a heat insulating material 12, or a double-structure pipe of an outer pipe and an inner pipe. A baffle plate may be provided adjacent to the upper part tube plate in a clearance between the outer pipe and the inner pipe so as to cover the clearance in the circumferential direction. In this case, a part of the inner pipe is projected further upward from the upper part tube plate, a part of the projecting part is cut into semicircular, and the cut part is approximately accorded with the baffle plate part in its radial direction.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003225635-A (JP)
Title: Garbage treating apparatus
Inventor: SHINPO HIDETO
IPC: B09B3/00
Filed: 2002-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a garbage treating apparatus for discharging the treated garbage of a harmful microbe-annihilated state.  <P>SOLUTION: This garbage treating apparatus is provided with a decomposing tank 11 for housing a garbage decomposing microbe and garbage, a garbage feeding port 29 and a treated garbage discharging port 28 which are arranged on the peripheral wall of the tank 11, a withdrawing pipe 16 connected to the port 28 for withdrawing the treated garbage in the tank 11 and a treated garbage heater part 42 arranged on the outer peripheral surface of the pipe 16 for heating the treated garbage. The treated garbage is heated to the temperature necessary for annihilating the harmful microbe or higher for the time necessary, for annihilating the harmful microbe or longer by the part 42.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003227854-A (JP)
Title: Frequency estimation device and frequency estimation method
Inventor: HORIUCHI WATARU
IPC: G01H1/14
Filed: 2002-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a frequency estimation device capable of accurately estimating the frequency in an input signal.  <P>SOLUTION: The frequency estimation device is provided with a first filter input with signal 1 containing frequency ω<SB>r</SB>component and processing based on a gain characteristic having an extremum at the first frequency ω<SB>1</SB>, a first amplitude calculator 4 calculating according to an algorithm from the first filter output, a second filter 3 input with signal 1 and processing based on a gain characteristic having an extremum at the second frequency ω<SB>2</SB>, a second amplitude calculator 5 calculating according to an algorithm from the second filter output, a subtracter 8 subtracting the result 7 of the second amplitude calculator from the result 6 of the first amplitude calculator, a coefficient generator 10 multiplying a constant (k) to the subtracted result 9, and an adder 12 adding the processed result 22 of the coefficient generator and the n-1th frequency estimation value 13. The first frequency ω<SB>1</SB>and the second frequency ω<SB>2</SB>during nth frequency estimation are determined with n-1th frequency estimation value 13 and the processed result of the adder 12 is made the nth frequency estimation value 14 and frequency estimation is repeated until the subtraction result 9 lowers to a specific value.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003225037-A (JP)
Title: Fishing rod
Inventor: ITO KOICHI
IPC: A01K87/08
Filed: 2002-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fishing rod having improved mechanical strength or rigidity and good effect in design.  <P>SOLUTION: This fishing rod has the following structure: the basal end portion of a rod 1 is set in a grip 10, the grip 10 comprises a front grip part 11, a reel seat part 12 and a rear grip part 13, and at least the exposed portion of the rod 1 or the externally fitted member thereof at one of the above parts is force fitted with a thin pipe material 2 made of metal or synthetic resin. Thus, the mechanical strength of the rod 1 is increased and prevented from damage. Further, this fishing rod is afforded with rigid feeling in terms of design.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003235283-A (JP)
Title: Driver for brushless motor
Inventor: NAITO HAYATO
IPC: H02P6/08
Filed: 2002-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To propose a driver for a brushless motor in which a high speed rotation can be realized by a higher voltage than a drive power source voltage under a PWM control without necessity of a boosting circuit or its on/off control circuit.  <P>SOLUTION: When output transistors Q1 to Q6 of a full-wave energizing inverter 20 are sequentially turned on, off according to rotor pole position information detected by Hall elements 10u to 10w in the driver 1 for a three- phase brushless motor, the motor is driven by half-wave energizing of only a sink current. When energizing of a drive coil Lv during an energizing period is turned off under the PWM control, a counter-electromotive voltage is generated in the coil Lv to obtain a voltage of the power source voltage or more, a regenerative current flowing by utilizing the counter-electromotive voltage flows as a source current of the drive coil Lu of another phase, a pseudo full- wave energization is realized, and hence a high speed rotation of the motor can be realized.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002338083-A (JP)
Title: Document feeder
Inventor: FUJII TAKAYUKI
IPC: B65H7/04
Filed: 2002-02-06
Abstract: PROBLEM TO BE SOLVED: To lengthen the service lives of sensors and reduce power consumption in a document feeder having the sensors for detecting a document by a light emitting element and light receiving element. SOLUTION: This device is provided with the sensor 37 for detecting the presence or absence of the document and the sensor 39 capable of electrically switching a detectable state of the presence or absence of the document and a disabling state. According to the detection of the presence of the document by the sensor 37, the sensor 39 is switched to the detectable state of the presence or absence of the document.
Patent JP-2003233954-A (JP)
Title: Method and circuit for decoding data, and information recording and reproducing device using the same
Inventor: SAWAGUCHI HIDEKI
IPC: G11B5/09
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To enable a PRML signal processing system to decrease data decoding error event due to medium noise generated depending upon a recording code pattern by a simple means.  <P>SOLUTION: For a result of PRML data decoding, a code error phenomenon of high occurrence frequency depending upon a signal distance is noticed to examine its occurrence probability. At this time, a localized medium noise quantity is estimated from successive code patterns of the PRML decoding result and the occurrence probability of the error event is corrected to increase detection precision, thereby realizing data demodulation of high precision by a simple circuit means through conventional most likelihood decoding.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002320057-A (JP)
Title: Image data processing unit
Inventor: SOMA TAKATAMI
IPC: B41J29/38
Filed: 2002-02-08
Abstract: PROBLEM TO BE SOLVED: To revise a copy condition in response to a residual capacity of a memory recording image data in a copying machine so as to reserve the capacity of the memory for required copies. SOLUTION: Image data of each page of originals is automatically carried are read, compressed at a prescribed compression level, and recorded in the memory (S51), the residual capacity of the memory is detected (S52), whether or not the residual capacity is a specified capacity or below is discriminated (S53), when the residual capacity is equal to or more than the specified capacity, the processing returns to the S51 and the original of the next page is carried and the similar operations above are repeated. When the discrimination in the S53 shows that the residual capacity is equal to or less than the specified capacity, the processing continues to S54 and the copy condition is revised.
Patent JP-2002314952-A (JP)
Title: Method and device for detecting reliability of moving vector field
Inventor: BRIAND GERARD
IPC: H04N7/32
Filed: 2002-02-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for detecting the reliability of the field of a moving vector related with one video in a series of videos. SOLUTION: This method for calculating a stability parameter Det- Stab(t) is related with the moving vector field of each video based on the comparison (4) of two continuous videos related with the number of appearance of the vectors of the moving vector field. The method comprises a step that, when the fluctuation of the number of appearance of the vectors is limited within a prescribed range, it is determined that the field is stable, and a step (7) that reliability is determined based on the stability parameter. In this case, this product is used for a frequency converter and a video converter.
Patent JP-2003231043-A (JP)
Title: Method of forming lockup clutch friction surface
Inventor: YOKOTANA TATSUO
IPC: F16D13/64
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a temperature rise when cutting, and to provide a flat friction surface without generating distortion.  <P>SOLUTION: In this method of forming a lockup clutch friction surface by cutting a friction material to form a friction surface, cutting is performed in the oil.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003236984-A (JP)
Title: Flame-retardant laminated body and method for manufacturing flame-retardant laminated body
Inventor: TSUKADA KAZUHIKO
IPC: C09K21/02
Filed: 2002-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flame-retardant laminated body having a smooth surface, which is strong against impact, and has excellent moldability and flame retardancy.  <P>SOLUTION: When a resin is compounded with a metal hydroxide and is molded, the metal hydroxide is dispersed in the resin to form a so-called island- in-sea structure and by making a mean particle diameter of the metal hydroxide to be 1-14 μm, an unevenness derived from particles of the metal hydroxide becomes small and the surface becomes smooth and island parts of the island- in-sea structure are densely arranged and it is hardly depressed against impact from the outside. In addition, even when a flame is directly brought into contact with a resin sheet 1, as the metal hydroxide being the island parts of the island- in-sea structure are densely arranged, the resin hardly flows and the resin sheet hardly flows out from a position between metal sheets 2 to exhibit excellent flame retardancy.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003235622-A (JP)
Title: Umbrella
Inventor: TAKAHASHI NORIYUKI
IPC: A45B25/28
Filed: 2002-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an umbrella capable of preventing water droplets from splashing, when the umbrella is closed, and preventing a wet face from being in contact with the clothes.  <P>SOLUTION: A shaft 14 provided with a handle 12 and a ferrule 20 on its both ends, has an inside cap 30 fixed to a lower end of the ferrule 20, and a runner 50 slidable along the shaft 14. End parts 74 of spreaders 70 are rotatably connected to the inside cap 30, and end parts 84 of ribs 80 with a canopy 110 are rotatably connected to the runner 50. The other end parts 72 of the spreaders 70 are rotatably connected to an approximately central position of the ribs 80 through rotary connection tools 90. When the end parts 84 are slid to a handle 12 side with the runner 50, the ribs 80 are gradually raised at a tip 108 side by the rotation on a connecting part with the spreaders 70, and the umbrella 10 is closed in a state that its wet face of the canopy 110 is accommodated inside.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003239318-A (JP)
Title: Blade device of sediment transfer machine
Inventor: KOBAYASHI MASAHIKO
IPC: E02F3/815
Filed: 2002-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a blade device of a sediment transfer machine having a simple constitution, and causing no backward inclination.  <P>SOLUTION: An installing part 15 for installing an extension blade 21 is arranged in a lengthwise directional end part of a main blade 10 of this sediment transfer machine. An installing object part 22 detachably installed in the installing part 15 is arranged on the extension blade 21. One installing pin 30 is arranged for making the installing part 15 and the installing object part 22 nonseparable. A rotational movement preventive means 31 is arranged in the installing part 15 and the installing object part 22 for preventing a rotational movement of the installing pin 30 of the extension blade 21.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003237118-A (JP)
Title: Thermal printer
Inventor: NAITO AKIO
IPC: B41J11/18
Filed: 2002-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermal printer in which the size can be reduced by decreasing the number of components and the manufacturing cost can be reduced by simplifying the assembling work.  <P>SOLUTION: The thermal printer comprises a frame (F) having a pair of sidewall parts disposed oppositely at a specified interval in the widthwise direction of a sheet, a line thermal head (H) for performing printing, a platen roller (1) having a circumferential surface abutting against the line thermal head, means for pressing the back of the line thermal head so that the line thermal head comes into pressure contact with the surface of the platen roller, a motor (M) as a drive source, and a gear transmission mechanism (G1) for transmitting the rotary driving power of the motor to the platen roller, wherein the pressing means is composed of a part of the compositional member of the frame coming into pressure contact with the back face of the head support (e.g. a pressing part 10 composed of a part of the frame).  <P>COPYRIGHT: (C)2003,JPO